Finding the Fourth Proportional to 11,439,882.06, 15,783,196.02 and 6,477,645.18
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Solution
The fourth proportional to 11,439,882.06, 15,783,196.02 and 6,477,645.18 is: 8,936,975.32
Step by Step Solution
- Step 1: Write the proportion equation
11,439,882.06 : 15,783,196.02 = 6,477,645.18 : x - Step 2: Convert to fraction form
11,439,882.06/15,783,196.02 = 6,477,645.18/x - Step 3: Cross multiply
11,439,882.06x = 15,783,196.02 × 6,477,645.18 - Step 4: Simplify right side
11,439,882.06x = 102,237,943,623,948.17 - Step 5: Solve for x
x = 102,237,943,623,948.17/11,439,882.06 - Step 6: Final answer
x = 8,936,975.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.